A 45-year-old patient was hospitalized in surgical in-patient unit with intermuscular phlegmon of the right thigh on the 6th day from the onset of disease. Abscess formed under the fascia lata was diagnosed, lanced and widely drained, necrotic tissues were removed. Antibiotic therapy with cephalosporines and the III generation fluoroquinolones was prescribed, as well as immune corrective and detoxification infusion therapy (2,5 liters per day), diuresis stimulation, UV irradiation of blood and plasmapheresis. What is the main component of sepsis prevention?